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const promiser = require('../promiser');
const config = { foo: 'foo' };
describe('promiser', () => {
it('should execute function without error and return promise if no callback provided', async () => {
const func = jest.fn(() => Promise.resolve('bar'));
const result = await promiser(func)(config)();
expect(func).toHaveBeenCalledWith(config);
expect(result).toEqual('bar');
});
it('should execute function with error and return promise if no callback provided', async () => {
expect.assertions(2);
const func = jest.fn(() => Promise.reject('error'));
try {
await promiser(func)(config)();
} catch (error) {
expect(func).toHaveBeenCalledWith(config);
expect(error).toEqual('error');
}
});
it('should execute function without error and call callback', done => {
const func = jest.fn(() => Promise.resolve('bar'));
promiser(func)(config)((error, result) => {
expect(func).toHaveBeenCalledWith(config);
expect(result).toEqual('bar');
done();
});
});
it('should execute function with error and return promise if no callback provided', done => {
const func = jest.fn(() => Promise.reject('error'));
promiser(func)(config)(error => {
expect(func).toHaveBeenCalledWith(config);
expect(error).toEqual('error');
done();
});
});
it('should execute function without error with all args and return promise if no callback provided', async () => {
const func = jest.fn(() => Promise.resolve('bar'));
const arg = { ssid: 'foo', password: 'bar' };
const result = await promiser(func)(config)(arg);
expect(func).toHaveBeenCalledWith(config, arg);
expect(result).toEqual('bar');
});
it('should execute function without error and call callback', done => {
const func = jest.fn(() => Promise.resolve('bar'));
const arg = { ssid: 'foo', password: 'bar' };
promiser(func)(config)(arg, (error, result) => {
expect(func).toHaveBeenCalledWith(config, arg);
expect(result).toEqual('bar');
done();
});
});
});
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